Jacob learned that many fossils have been found in Florida's Peace River. He does some additional research, and discovers that both land and marine fossils have been
found there. The bar graph below shows the ratio of marine fossils to land fossils
dating from 20 million years ago, and the ratio of marine fossils to land fossils dating
from 1 million years ago.
FOSSILS FROM PEACE RIVER, FLORIDA
tos
fo
land
foss
haring
foss
20 million
years ago
1 million
years ago
Based on the graphs above, what conclusion can you make about the Peace River?

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group.no, this does not need to be reported since it is unrelated to participation in the study.no, this does not need to be reported because two weeks have passed.no, this does not need to be reported since the subject recovered.